Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2001-0851

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
06/12/2001
Last modified:
03/04/2025

Description

Linux kernel 2.0, 2.2 and 2.4 with syncookies enabled allows remote attackers to bypass firewall rules by brute force guessing the cookie.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:caldera:openlinux_server:3.1:*:*:*:*:*:*:*
cpe:2.3:a:caldera:openlinux_workstation:3.1:*:*:*:*:*:*:*
cpe:2.3:o:caldera:openlinux:2.3:*:*:*:*:*:*:*
cpe:2.3:o:caldera:openlinux_edesktop:2.4:*:*:*:*:*:*:*
cpe:2.3:o:caldera:openlinux_eserver:2.3.1:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.2.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.4.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.3:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.4:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:7.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:7.2:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:7.3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools